The Medical Letter on Drugs and Therapeutics
Iodine-131 Tositumomab (Bexxar) for Treatment of Lymphoma
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Bexxar, a combination of the monoclonal antibody tositumomab and radiolabeled Iodine-131 tositumomab (Corixa Corp/GlaxoSmithKline) has been approved by the FDA for a single treatment of relapsed follicular non-Hodgkin's lymphoma (NHL) in patients who are refractory to rituximab (Rituxan - Medical Letter 1998; 40:65). It is the second radioimmunoconjugate to be approved for refractory NHL; yttrium-90 linked to ibritumomab tiuxetan (Zevalin) was approved in 2002. Tositumomab, like ibritumomab, is a monoclonal antibody of mouse origin that binds to the CD20 antigen present on the surface of >90% of malignant B cells. ... more
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Title: Iodine-131 Tositumomab (Bexxar) for Treatment of Lymphoma
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